It looked at the average salary and the number of jobs available for 248 skills, including 29 programming languages, and in 569 cities. From there, it up came with this list of skills that are most in demand.

No 8: PHP is worth $163,722

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PHP appeared in 5% of the job listings Paysa scanned. It's a language popular for web development, though is used for other projects too. It has a reputation for being easy to learn.

No. 3: C is worth $175,844

C is a programming language that appeared in 5% of the job listings Paysa scanned.

C is the basis for a lot of other languages, and used to be a staple for a computer science education. But there are easier languages to learn these days and some debate among programmers if it's still necessary to learn C. Looks like many employers do prefer their coders to know it.